@article{ASENS_1995_4_28_3_253_0,
     author = {Schwarz, Gerald W.},
     title = {Lifting differential operators from orbit spaces},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {253--305},
     publisher = {Elsevier},
     volume = {Ser. 4, 28},
     number = {3},
     year = {1995},
     doi = {10.24033/asens.1714},
     mrnumber = {96f:14061},
     zbl = {0836.14032},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1714/}
}